Electric vacuum cleaner
USD338293S · kind S · design
29Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1991 |
| Grant date | Aug 10, 1993 |
| Priority date | — |
| Expiry date | Aug 10, 2007 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.